Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
1995 Mazda 626 L4-1991cc 2.0L DOHCFACTORY OEM SERVICE PROCEDURE
Automatic Trans.
Caution: Powertrain control module is sensitive to static electrical charges. If exposed to these charges, damage may result. If service of powertrain control module is required, use the following safeguards to avoid damage to components.
1. Leave the PCM in their original packaging until ready to install in vehicles.
2. Avoid touching PCM connector pins.
3. Avoid laying modules on nonconductive surfaces.
REMOVAL/INSTALLATION
1. Remove in the order shown in the figure, referring to Removal Note.
2. Install in the reverse order of removal.
1. Negative battery cable
2. Console
3. PCM connector
4. PCM
Removal Note: The PCM stores information about vehicle operating conditions and uses this information to compensate for component tolerance. When an emission related component is replaced, Keep Alive Memory (KAM) should be cleared to erase the information stored by the PCM from the original component.
1. Leave the PCM in their original packaging until ready to install in vehicles.
2. Avoid touching PCM connector pins.
3. Avoid laying modules on nonconductive surfaces.
REMOVAL/INSTALLATION
1. Remove in the order shown in the figure, referring to Removal Note.
2. Install in the reverse order of removal.
1. Negative battery cable
2. Console
3. PCM connector
4. PCM
Removal Note: The PCM stores information about vehicle operating conditions and uses this information to compensate for component tolerance. When an emission related component is replaced, Keep Alive Memory (KAM) should be cleared to erase the information stored by the PCM from the original component.
Factory Service Tools
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
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